Specifications

6-6
Analog Optical Alignment - Projector
A-Chain
Alignment
key
Alignment
key
Format
Selection
Menu
key
FORMATS
Menu
Cancel OK
Exit
screen shows:
press:
Menu
Selection
System
Alignment
screen shows:
screen shows:
press:
press:
Begin the optical alignment program by
pressing the following keys:
MENU,
Alignment
(SK2)
(A password may be required to continue),
A-chain Alignment
(SK3),
Adjust Optics
(SK1).
OK
This step disables the optical preamp
equalization and allows you to set the
preamp gain (both left and right
channels) to a known standard setting
between 0 and 100.
Set the gain to “
50
”, then press
OK.
Remove the Cat. No. 69 test film and
thread the SMPTE Buzz Track Film.
This film has modulation just beyond the
normally scanned areas of the optical
sound tracks. The objective of this test is
to ensure that the slit illuminates only
the sound-tracks.
Depending on the design of the
projector, the positioning of the slit
relative to the optical tracks is adjusted
as follows:
The film guide is adjusted laterally for
a null if the lens and exciter lamp are
fixed in position.